Answer:
Option C
Step-by-step explanation:

Hope this helps.
Greatest Common Factor of 42 and 84. Greatest common factor (GCF) of 42 and 84 is 42.
LCD(711, 1113) = LCM(11, 13) = 11×13 = 143
711 = 91143
1113 = 121143
Answer:
11
Step-by-step explanation:
Nothing for can be done with it!
Answer:
Step-by-step explanation:
AC/BC=DF/EF
AC/BC=DF/X
5/9=15/X
5X/5= 135/5
EF = X= 27